/*
 * Copyright 2021 Shulie Technology, Co.Ltd
 * Email: shulie@shulie.io
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.shulie.surge.data.runtime.disruptor.util;

/**
 * Cache line padded long variable to be used when false sharing maybe an issue.
 */
public final class PaddedLong extends MutableLong
{
	private static final long serialVersionUID = 1L;
	public volatile long p1, p2, p3, p4, p5, p6 = 7L;

	/**
	 * Default constructor
	 */
	public PaddedLong()
	{
	}

	/**
	 * Construct with an initial value.
	 *
	 * @param initialValue for construction
	 */
	public PaddedLong(final long initialValue)
	{
		super(initialValue);
	}

	public long sumPaddingToPreventOptimisation()
	{
		return p1 + p2 + p3 + p4 + p5 + p6;
	}
}
